/**
 * If there are no bugs, it was created by Chen FengYao on 2018/4/2;
 * Otherwise, I don't know who created it either
 */

public class Question2 {
    public static void main(String[] args) {
        int money = 1;
        int day = 0;
        while (money != 0) {
            money = money / 2;// 执行了几次
            day++;// day = day + 1;
        }

        System.out.println(day);
    }
}
